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Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012
  • Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012
  • Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012
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Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR 600 RR 

The Z-BOMB is a Timing Retard Calibrator that maximizes engine performance for up to a 7 HP gain over stock. That's a pretty impressive power boost for very little money. The simple, plug-in unit installs in minutes with just a screwdriver and a 5mm hex key. The Z-Bomb integrates perfectly with all Z-Fi EMS products as well as other aftermarket tuning units.


  • Gains 5-7 HP over stock
  • Plugs in-line with TPS (Throttle Position Sensor)
  • Made In USA

Note: Please check local laws before purchasing a Bazzaz Z-Bomb Timing Retard Calibrator. Some modifications may be prohibited in some states.

This Product Fits:
CBR600RR 2009, 2010, 2011, 2012
CBR600RR ABS 2009, 2010, 2011, 2012
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Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012 5 5 3 3
smooth power It was an easy plug-in upgrade. I haven't tested it for changes in top speed, but with increased power or not, the z-bomb smoothed out my everyday ride considerably. It doesn't feel like riding a huge vibrator anymore. My everyday comute is at 80-85mph, but now I catch myself doing 90-100 all teh time cause it feels the same. November 24, 2014
Cheapest 7 HP you'll ever find 10 minute install to eliminate factory timing r-etard above 8k RPMs. Directions were perfect, install was easy and there is a noticeable difference above 10k RPMs. August 25, 2014
easy install. great benefits with the incredibly easy install and instant benefits the z-bomb is an easy choice. With nothing but a 5mm hex, a screwdriver, and an 8mm socket this install is easy for anyone to complete in minutes. For best results the z-fi fuel controller and the self mapping tool should be used. I definitely recommend this product for anyone looking to get a little more out of their motorcycle. September 11, 2013
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Have a functionality, fit, or otherwise product-specific question about the Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012
Already Asked: 2 Questions, 3 Answers
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RevZilla Store asked: Why did you choose this?
igor b: because i wanted to Nov 16, 2013
Craig C asked: One of the reviews mentions additional hardware to tune this device - is this necessary? And are there any long-term effects? Thanks Feb 14, 2015
Answer this · Send to friends Good question? Yes (0) No (0)
Matthew M: I don't think that's correct. The device simply tricks the bike's ECU into not retarding the timing at peak RPM's. Retarding the timing was done to reduce max decibel levels so it would meet U.S. noise standards. The Z-Bomb overrides a very specific function of the ECU, there is nothing to tune or adjust.

Installing a ignition tuning module would allow the ability to tune the bike's ignition settings, but it would negate the need for the Z-Bomb because now the owner can manually override the undesirable ignition settings from the ECU, including those at the higher RPM range.

I didn't encounter any adverse effects from the unit I installed in my bike. It's important to note that my bike is a 2013 CBR600rr and that model year changed the ECU programing and did not retard the timing at higher RPM's. Honda met the U.S. noise standards by improving the stock muffler. I no longer have the Z-Bomb installed on my bike. It had no effect on my bike at all: It neither improved the performance of the engine when it was installed, nor produce any adverse effects.

Much of this information was provided to me by a Dynojet tech.
Feb 15, 2015
Reply to Matthew Good answer? Yes (2) No (0)
Craig C: Thank you very much Matthew, I appreciate your detailed reply. Feb 17, 2015
Reply to Craig Good answer? Yes (0) No (0)
Product Style RevZilla Item # Manufacturer Product # Availability
Bazzaz Z-Bomb Timing Retard Calibrator Honda CBR600RR 2009-2012 900367 O340 In Stock: Ships within 24 hours